Monthly Archives - August 2016

Percona XtraDB Cluster 5.7.12 RC1 is now available

wsrep-stages

Percona announces the first release candidate (RC1) in the Percona XtraDB Cluster 5.7 series on August 9, 2016. Binaries are available from the downloads area or our software repositories.
Percona XtraDB Cluster 5.7.12-5rc1-26.16 is based on the following:

Percona Server 5.7.12
Galera Replicator 3.16

This release includes all changes from upstream releases and the following:
New Features

PXC Strict Mode: Use the pxc_strict_mode variable […]

Read more

Percona Memory Engine for MongoDB

This post discusses Percona Server for MongoDB’s new in-memory storage engine, Percona Memory Engine for MongoDB.
Percona Server for MongoDB introduced the Memory Engine starting with the 3.2.8-2.0 version. To use it, run Percona Server for MongoDB with the –storageEngine=inMemory option.
In-memory is a special configuration of WiredTiger that doesn’t store user data on disk. With this engine, […]

Read more

Introducing Percona Memory Engine for MongoDB

Percona Memory Engine for MongoDB

I’m pleased to announce the latest Percona Server for MongoDB feature: Percona Memory Engine for MongoDB.
Everybody understands that memory is much faster than disk – even the fastest solid state storage can’t compete with it. As such the choice for the most demanding workloads, where performance and predictable latency are paramount, is in-memory computing. […]

Read more

Small innodb_page_size as a performance boost for SSD

performance boost for SSD

In this blog post, we’ll discuss how a small innodb_page_size can create a performance boost for SSD.
In my previous post Testing Samsung storage in tpcc-mysql benchmark of Percona Server I compared different Samsung devices. Most solid state drives (SSDs) use 4KiB as an internal page size, and the InnoDB default page size is 16KiB. I wondered […]

Read more

tpcc-mysql benchmark tool: less random with multi-schema support

In this blog post, I’ll discuss changes I’ve made to the
tpcc-mysql benchmark tool. These changes make it less random and support multi-schema.
This post might only be interesting to performance researchers. The
tpcc-mysql benchmark to is what I use to test different hardware (as an example, see my previous post: https://www.percona.com/blog/2016/07/26/testing-samsung-storage-in-tpcc-mysql-benchmark-percona-server/).
The first change is support for multiple schemas, rather […]

Read more

Webinar Thursday 8/11 at 10 am: InnoDB Troubleshooting

Join Sveta Smirnova Thursday, August 11 at 10 am PDT (UTC-7) for a webinar on InnoDB Troubleshooting.

InnoDB is one of the most popular database engines. This general-purpose storage engine is widely used, has been MySQL’s default engine since version 5.6, and holds MySQL system tables since 5.7. It is hard to find a MySQL […]

Read more

Docker Images for MySQL Group Replication 5.7.14

MySQL Group Replication

In this post, I will point you to Docker images for MySQL Group Replication testing.
There is a new release of MySQL Group Replication plugin for MySQL 5.7.14. It’s a “beta” plugin and it is probably the last (or at lease one of the final pre-release packages) before Group Replication goes GA (during Oracle OpenWorld […]

Read more

Percona XtraDB Cluster on Ceph

Ceph

This post discusses how XtraDB Cluster and Ceph are a good match, and how their combination allows for faster SST and a smaller disk footprint.
My last post was an introduction to Red Hat’s Ceph. As interesting and useful as it was, it wasn’t a practical example. Like most of the readers, I learn about […]

Read more

Testing Docker multi-host network performance

MySQL Group Replication

In this post, I’ll review Docker multi-host network performance.
In a past post, I tested Docker network. The MySQL Server team provided their own results, which are in line with my observations.
For this set of tests, I wanted to focus more on Docker networking using multiple hosts. Mostly because when we set up a high availability (HA) […]

Read more